+47.64750, -122.30459
47°38'51" N, 122°18'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR 513 over MONTLAKE CUT
Structure number:000000HH0000000
Location:0.2 N JCT SR 520
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:155.8 ft. [47.5 m]
Total length:344.2 ft. [104.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance above deck:17.7 ft. [5.4 m]
Vertical clearance below bridge:29.9 ft. [9.1 m]
Owner:State Highway Agency [01]
Year built:1924
Year reconstructed:1999
Historic significance:Bridge is on the National Register of Historic Places [1]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: April 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:61,430 [as of 2012]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:36.6 tons [33.3 metric tons]
Inventory rating:21.8 tons [19.8 metric tons]
Sufficiency rating:49.5

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201649.5FairFairSatisfactorySatisfactoryFO61430
April 201449.5FairFairSatisfactorySatisfactoryFO61430
April 201244.5FairFairSatisfactorySatisfactoryFO62444
April 201044.5FairFairSatisfactorySatisfactoryFO63074
April 200845.5FairSatisfactorySatisfactorySatisfactoryFO62885
April 200645.5FairSatisfactorySatisfactorySatisfactory-51283
March 200545.5FairSatisfactorySatisfactorySatisfactory-51283
October 200345.5FairSatisfactorySatisfactorySatisfactory-51283
December 200245.5FairSatisfactorySatisfactorySatisfactory-51283
December 200143.5FairSatisfactoryFairFair-51283
November 200045.5FairGoodSatisfactorySatisfactoryFO51283
September 199945.5FairGoodSatisfactorySatisfactoryFO51283
April 199843.5FairGoodFairSatisfactoryFO51283
April 199736.2FairGoodFairSatisfactoryFO51283
September 199544.9FairGoodFairSatisfactoryFO51283
September 199446.9FairGoodGoodSatisfactoryFO51283
June 199346.9FairGoodGoodSatisfactoryFO49400
March 199245.9FairFairGoodSatisfactoryFO49400